当鼠标移动到小图片上时，小图片显示红色边框并在上面大图片显示相应大图片，效果如图：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
#div{width:500px;height:500px;border:1px solid #fff
;margin:auto;background:#fff}
li{list-style:none;float:left;margin-top:-15px;margin-left:50px}
</style>
</head>
<body>
<div id="div">
<div style="width:350px;height:262px;border:1px solid #fff
;margin:
auto;">
<img src="images/show1_big.jpg" width="349" height="262" /> </div>
<div style="width:500px;height:50px;border:1px solid #fff
;margin-top:180px">
<!--ul开始-->
<ul>
<li><img src="images/show1.jpg" width="53" height="46" onmouseover="change()"/> </li>
<li><img onmouseover="change1()" src="images/show2.jpg" width="53" height="46" /> </li>
<li><img src="images/show3.jpg" width="53" height="46" onmouseover="change2()"/> </li>
<li><img src="images/show4.jpg" width="53" height="46" onmouseover="change3()" /> </li>
</ul>
<!--ul结束-->
</div>
</div>
</body>
<script type="text/javascript">
//定义
function kuang(){
var getli=document.getElementsByName("li");
for(var i=0;i<getli.length;i++){
}
}
//定义替换图片方法
function change(){
var imgs=document.getElementsByTagName("img");
imgs[0].setAttribute("src","images/show1_big.jpg");
imgs.style.width="border:1px solid red";
}
//定义替换图片方法
function change1(){
var imgs=document.getElementsByTagName("img");
imgs[0].setAttribute("src","images/show2_big.jpg");
}
//定义替换图片方法
function change2(){
var imgs=document.getElementsByTagName("img");
imgs[0].setAttribute("src","images/show3_big.jpg");
}
//定义替换图片方法
function change3(){
var imgs=document.getElementsByTagName("img");
imgs[0].setAttribute("src","images/show4_big.jpg");
}
</script>
</html>
时间： 2024-10-12 22:29:36